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Color Absorption, OHP (OP-F-CO)

Color Absorption, OHP (OP-F-CO)



Demonstrates that colored filters transmit their own color but absorb other colors of light.

LAB EQUIPMENT

1.  3 colored filters attached to folder
2.  Overhead projector (check if in room)
3.  4″ x 4″ holographic grating in frame w/ stoppers for support
4.  Laser pointer


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  • Description

    Product Description

    DIRECTIONS

    1.  Place the folder onto the overhead.
    2.  Holding the star grating at an angle to the overhead lamp, look at the spectra of each of the filters.  Using the laser pointer, point out the area of the missing blue & green bands corresponding to the red filter, and so on with the other two filters.